#VU115954 Incorrect calculation in Linux kernel - CVE-2022-50375
Published: September 19, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115954
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50375
CWE-ID: CWE-682
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the lpuart_dma_shutdown() function in drivers/tty/serial/fsl_lpuart.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/29b897ac7b990882c74bd08605692214e7e58b83
- https://git.kernel.org/stable/c/316ae95c175a7d770d1bfe4c011192712f57aa4a
- https://git.kernel.org/stable/c/3953e7f261e2f4d9c35f0c025df9f166f46aa626
- https://git.kernel.org/stable/c/9a56ade124d4891a31ab1300c57665f07f5b24d5
- https://git.kernel.org/stable/c/c4293def8860fd587a84400ccba5b49cec56e2c3
- https://git.kernel.org/stable/c/d554c14eb73ee91d76fc9aece4616f0b687c295d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17